Editor’s note: We are publishing these 3D animations to show the destructive power of the AR-15. The images may disturb some people. The wounds show the lethal force of the AR-15. But they are ...

What are the real differences between .223 Remington and 5.56x45mm NATO? Here we dive into the nuances of ballistics, case dimensions, chamber pressure, history, and more.

308 and trimmed. It’s short and stubby, with a bullet that seems too big for the case. But its versatility and performance is surprising. It works in standard 5.56 AR magazines and with AR-15 bolts.

Conner from the March 21 Opinion page, “A military machine gun that has been much in the news lately is the AR-15. The thing that makes it different from the ...

Armed Reserve Police Constable arrested for illegal possession of pistol, booked under Arms Act; another suspect on the run.